User`s guide

8 - 12 Ethernet or Token Ring Bridge
If there is heavy trafÞc between LAN A and LAN B, it would be more
efÞcient to have Bridge 1 become the root with the port on Bridge 3
being disabled.
Figure 8.3 - Alternate Root Bridge Arrangement
LAN A
LAN C
LAN D
LAN B
Bridge 1
Bridge 3
Bridge 4 (Root)
Port disabled
by STP
Bridge 2